Combining component parts into hybrid systems to reap the benefits has always been an attractive prospect. In the past years, successful projects have come online for both solar-plus-storage and wind-plus-storage...

ENERGY STORAGE TECHNOLOGIES

Storing excessive thermal energy to be used in colder times is one of the oldest forms of energy storage known to us. Recent research and development have made it possible to use this energy for grid applications. Learn more about the different types of thermal energy storage here.

For most European countries, the grid as we know it — the electrical power transmission network consisting of transmission lines, transformers, substations and much more — was built in the early 20th century. A century later, it is beginning to transform into something much smarter.

While exporting electricity to the grid is no longer such a lucrative prospect, using solar power to reduce one’s own energy consumption still brings price savings. When power is drawn from the electrical grid at a flat rate, there is no need to store that solar power.

Since the electrical grid has existed, so has the need for stored forms of energy that can be drawn on to meet times of peak demand and regulate frequency. In the past, the bulk of this extra energy came from fossil fuel plants that were fired up and down with demand.

Are energy storage systems profitable? How does their value relate to their costs? How will this change in the near and long-term future? Learn more about the economics of energy storage and the business case for these solutions.

Where can energy storage systems (ESS) generate value? How are they used for grid ancillary services such energy arbitrage, frequency regulation, T&D deferral and more. Learn about the different applications of stored energy for grid operators, utilities and end-users.

THE LAST WORD ABOUT ENERGY STORAGE

Exploring new and innovative regulatory frameworks have long been a topic of discussion in the energy storage world – it’s a programme topic in this year’s Energy Storage World Forum. But while regulations fail to keep pace with new advances in the sector, how much is this holding back the adoption of energy storage technologies?

Lack of certainty holds back long term planning

Energy storage suffers from lack of regulatory certainty within the EU. While a number of member states – Germany and the UK especially – have made great strides in adoption levels, lack of consistency is a looming issue.

A key problem is that much regulation does not know where energy storage systems should be classed – when treated as a generation asset, this prohibits DNOs from owning or operating them. It also opens storage operators to being charged twice, for both charging and discharging.

The momentum of the energy storage market

While these regulatory conditions are not ideal for energy storage developers, the sector continues to grow as the technology matures and financing becomes easier to procure. Capital expenditure costs are falling and new avenues to market are opening, with grid ancillary services being the primary target for new developers. The UK’s National Grid have signalled that large changes to the grid-balancing services market are to come, further expanding energy storage opportunities.

Meeting the needs of end users and grid operators has seen large amounts of storage capacity installed both for grid-scale applications and behind-the-meter. As the benefits of resilience and flexibility become more apparent to potential investors and the business case for storage applications becomes more robust, demand and deployments will keep increasing. Dominique Jamme, Special Adviser to the President of the French Commission de Régulation de l’Énergie (CRE), opined that regulatory barriers are secondary to market barriers in much of Europe in ESWFs February Webinar.

Potential regulatory disparity

Falling costs and deployment benefits may have given energy storage an unstoppable momentum, but that does not mean that current regulatory frameworks are not hampering growth. Even now, growth is concentrated in a small number of countries – those where policy and regulations favour storage adoptions and recognise (or begin to recognise) it’s value. This effect is particularly noticeable in the United States, where regulatory differences between states have a clear effect on the amount of planned energy storage deployment.

Regulatory barriers are also identified as a hindrance to further energy storage projects by many in the field. In the UK, the All-Party Parliamentary Group (APPG) on Energy Storage claim that current government policy will reduce the storage capacity deployed by 2021 from a potential 12 GW to 8 GW. The European Association for Storage of Energy (EASE) have also stated that regulations must keep up with advances for the technology to flourish.

The benefits of energy storage for both end users and the grid have already reached a tipping point where costs are justified for many business cases – this trend shows no sign of stopping. Regulatory frameworks that recognise the value of the technology, coordinate advances throughout the European member states and give developers a consistent structure for long-term forecast are still necessary for optimum growth.

ABOUT US

Dufresne (doo - frayn) Research specialises in creating high quality market driven conferences and training. The company focuses on stationary Energy Storage across all applications from Residential, Self - Consumption and Microgrid through to large scale stationary storage. We are Europe's first conference dedicated solely to energy storage since 2010. All of our Forum's culminate with the unique Building the Action Plan feature. Join us for this session and take back an action list to the workplace.

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